Best portable 8000mAh mobile battery power bankproduct description  Best slim book shape power bank for 8000mAh, fashion designed. With 2 USB Outout port, can charging2 devices meantime.Produc parameters Material: MetalSize: 155*75*9MMNet Weight: 210gColor: black, red, blue, silverProduct Features and applicationvFeatures:Input:  DC5V-1AOutput:  DC5V-2ABattery type: Polymer  batterySupport: Smartphone, Iphone, Ipad, tablets and other electronics-High quality lithium battery Standard USB output interface, only need usb cable can be chargedDurable, charge and discharge cycles ≥300 timesIntelligent control overcharge, over discharge and short circuit protection circuitAutomatic sleep, non-working state automatic dormancy, prevent power lossCompatible with all USB charging devices, such as a variety of mobile phones, for IPOD, MP3, MP4, for IPHONE, GPS, Bluetooth Earphone, digital cameras.Caring service After-sales worryDeliver, Shipping And Serving of the Deliver , shipping and serving1:Trading terms: FOB2: Lead time : about 3-5 working days after receive the payment.3:Payment terms:TT , Western Union , Paypal , etc.4: Package : Plastic box , metal thin box , color retail box , as your designShipping:DHL , FedEx, UPS, TNT, EMS and so onTax: To lower tax we can mark a lower unit priceFAQ1. Q: Can you make new mould as customer needs?A : Of course, we can. Most new moulds we have made for clients are PVC material custom shape power bank, which is easily made and needs less cost.2. Q: How about your packages? Can we put our logo or print on the packages?A: Our regular packages are neutral blister packing without logos,OEM/ODM are welcome in our factory,so we can print on your logo or print by silk printing,etc.For further details,please send us an inquiry.3. Q:Are you a Manufacturer?A:Yes, we have our own factory for more than 10 years